ライフサイエンスコーパス: photochemical

1 oxetane core is built using a Paterno-Buchi photochemical [2 + 2] cycloaddition; from the key interm

2 tential nitrene precursors, but their direct photochemical activation can result in competitive forma

3 By harnessing the two discrete photochemical activation modes of (-)-riboflavin, it is

4 o trigger the process, including thermal and photochemical activation, as well as the use of transiti

5 ss spectrometry (FT-ICR MS) and quantify DOM photochemical activity using probe compounds.

6 nmental processing determine composition and photochemical activity.

7 Photochemical aerobic oxidation of n-Pr4N[(dpms)Pd(II)Me

8 or heterogeneous nucleation as well as their photochemical aging and atmospheric transformation is of

9 te is bonded to organic molecules and little photochemical aging is exhibited.

10 tribute to elucidate atmospheric nucleation, photochemical aging, and chemical transformation process

11 ormula: see text] increases due to continued photochemical aging, potentially resulting in more toxic

12 evaporates from the alpha-pinene SOA during photochemical aging, thus exhibiting a drastically diffe

13 ta-pinene SOA remains fairly constant during photochemical aging.

14 nene) and investigate how they evolve during photochemical aging.

15 d equipment are estimated for 2030 using 3-D photochemical air quality model and detailed emissions i

16 of the previously reported enantioselective photochemical alpha-alkylation of aldehydes with electro

17 In sunlit waters, photochemical alteration of dissolved organic carbon (DO

18 The rapid non-perturbing photochemical analysis presented here provides 'snapshot

19 Here we characterize the photochemical and biochemical properties of phot from th

20 This coupled photochemical and biological degradation of DOC is espec

21 photon and two-photon microscopy, to compare photochemical and biophysical properties of various iRFP

22 tallography and spectroscopy measurements of photochemical and chemical reactions over a wide range o

23 hroughout the synthesis, and on the basis of photochemical and kinetic studies using UV/vis, CD, and

24 cury methylation is known to occur alongside photochemical and microbial mercury reduction and subseq

25 river water occurs via non-enantioselective photochemical and mildly-enantioselective microbial proc

26 his study is a mechanistic evaluation of the photochemical and nonphotochemical (dark) transformation

27 plant affects mostly steady-state levels of photochemical and nonphotochemical quenching, leading to

28 n overview of the current approaches for the photochemical and photocatalytic generation of reactive

29 On the basis of photochemical and photophysical experiments and computat

30 h considerable additional contributions from photochemical and thermal degradation during the daytime

31 ds has focused on abiotic mechanisms, mainly photochemical and thermal degradation, but they only par

32 The photochemical and thermal isomerization behavior of thes

33 UV-vis and (1)H NMR investigations of the photochemical and thermal isomerization kinetics show th

34 cycle of the motor, i.e. driven by alternate photochemical and thermal isomerization steps in the sys

35 Photochemical and thermal isomerization studies demonstr

36 isomeric compounds via complexity-generating photochemical and thermal rearrangements and measuring c

37 tronic, electron transfer sensing, and other photochemical applications.

38 molecules by chemical synthesis, including a photochemical approach, and ultimately a bioinspired str

39 lts confirm the viability of low-temperature photochemical approaches in metal sulfide synthesis, and

40 n and mode of action, and the structural and photochemical basis of how they orchestrate signal trans

41 In addition, analogous photochemical behavior is also demonstrated on other MV(

42 gs and quantum dots, allowing changes in the photochemical behavior of the confined guests.

43 hysical behavior but very different in their photochemical behavior.

44 This tandem photochemical, beta-fragmentation method promises to be

45 Here we use GAMMA 4.0, a photochemical box model that couples gas-phase and aqueo

46 We use a photochemical box model to show that relative to black c

47 ) model algorithms and a recently introduced photochemical box model, simpleGAMMA.

48 ry, secondary, and tertiary amines by direct photochemical breaking of the benzylic C-N bond.

49 a key tricylic aziridine from a challenging photochemical cascade reaction through the use of flow p

50 the factors governing these enantioselective photochemical catalytic processes.

51 gh different approaches (oxidative, thermal, photochemical, catalytic, aerobic, and the less common o

52 eria, photoprotection from overexcitation of photochemical centers can be obtained by excitation ener

53 The third channel corresponds to photochemical CH2O formation from CH3OH, where a single

54 t SIRT2 inhibitor, was subjected to detailed photochemical characterization.

55 n of absorbed energy dissipated as heat: non-photochemical chlorophyll fluorescence quenching (NPQ).

56 This effect facilitates photochemical cleavage of benzylic C-O or C-N bond to re

57 sion likely involves singlet-oxygen mediated photochemical cleavage, yielding blue-shifted fluorescen

58 to deliver UV light to the droplet flow for photochemical compound dosing, incubation, and laser-ind

59 N2 reversibly and with CO irreversibly under photochemical conditions.

60 The discovery of thermal and photochemical control by Woodward and Hoffmann revolutio

61 In the context of the electrochemical and photochemical conversion of CO2 to liquid fuels, one of

62 Photosynthesis is responsible for the photochemical conversion of light into the chemical ener

63 ness of CO2 renders many electrochemical and photochemical conversion processes inefficient.

64 -processing and room-temperature alternating photochemical conversion routes are applied.

65 of the quadricyclanes that result from their photochemical conversion.

66 electron source for use with co-catalysts in photochemical conversion.

67 nalyze laser flash-induced photocurrents and photochemical conversions in Guillardia theta cation cha

68 The photochemical core of this process in all photosynthetic

69 Photochemical cycling of nitrogen oxides (NOx) produces

70 and cinnamic acid, via intramolectular [2+2]-photochemical cyclization.

71 in which the final C-C bond is formed via a photochemical cyclization/ dehydroiodination sequence.

72 ens synthetic chemists' access to classes of photochemical cycloadditions that have not previously be

73 Twisted system: A photochemical cyclodehydrochlorination (CDHC) reaction i

74 tely stable, they are subject to chemical or photochemical damage and errors that occur during DNA re

75 of solar UV-induced skin cancer by promoting photochemical damage to the NER proteome and thereby pre

76 The optical and photochemical data provide evidence for a limited role o

77 MS)-based approach enabled monitoring of the photochemical degradation kinetics of individual bacitra

78 Photochemical degradation of dissolved organic matter (D

79 oro-, 2-bromo-, and 2-iodothiophenes undergo photochemical dehalogenation via the triplet state.

80 single hydrogen bond by changes in pH or by photochemical deprotection is sufficient to refold a hel

81 In all cases, the photochemical deprotection was accomplished in high yiel

82 ic compound formed through an intramolecular photochemical Diels-Alder reaction.

83 n biosynthesis pathway, which features a key photochemical E --> Z isomerization step.

84 ng decreased chlorophyll content and maximum photochemical efficiency of photosystem II coupled with

85 centers of photosystem II (PSII) and reduce photochemical efficiency.

86 The photochemical electrocyclization reaction of the title c

87 n of a Ru(II) sensitizer enable this form of photochemical energy storage.

88 gy, that it will stimulate photochemists and photochemical engineers to "go back to the roots onto th

89 led structural descriptions of the ultrafast photochemical events that they undergo, in particular of

90 ss which uses concentrated sunlight for both photochemical excitation to generate high-energy interme

91 1) is accessible from phenyldiazidoborane by photochemical extrusion of dinitrogen under matrix isola

92 nder acidic conditions, 100% of the observed photochemical Fe(II) generation on Fe(III) reduction occ

93 ientation of the oxygen atom, site-selective photochemical fluorination is achieved on steroids and b

94 usly only postulated or probed indirectly in photochemical fluorination systems) and, consequently, h

95 e (LOV) domains sense blue light through the photochemical formation of a cysteinyl-flavin covalent a

96 ng ketenimine intermediate which undergoes a photochemical four-electron electrocyclization followed

97 oprene persists through the night, providing photochemical fuel upon daybreak and leading to a dramat

98 nanoprisms and elucidate the details of the photochemical growth mechanism at the single-nanoparticl

99 This unique pathway for photochemical H2 generation provides insight into transf

100 x equilibria, contribute to both thermal and photochemical HONO formation.

101 A model of photochemical-induced carotid thrombosis was applied to

102 tion was analyzed in a murine carotid artery photochemical injury model.

103 Stroke was induced following photochemical injury to the middle cerebral artery (MCA)

104 Finally, in response to photochemical injury-induced arterial thrombosis, system

105 s in this class can suffer from chemical and photochemical instability.

106 ystems can be viewed from the perspective of photochemical interconversion between transient, isomeri

107 Photochemical internalisation (PCI) is a technique for i

108 d tetraphenyl chlorin (TPCS2a), in mediating photochemical internalisation of bleomycin in patients w

109 TPCS2a-mediated photochemical internalisation of bleomycin is safe and t

110 used clinically for PDT are ineffective for photochemical internalisation owing to their sub-optimal

111 No deaths related to photochemical internalisation treatment occurred.

112 Adverse events related to photochemical internalisation were either local, resulti

113 Photochemical isomerization in sterically crowded chiral

114 ational change associated with the trans-cis photochemical isomerization of alkyl-substituted azobenz

115 an indazole five-membered heterocycle shows photochemical isomerization with high fatigue resistance

116 the dicationic complexes were susceptible to photochemical ligand loss.

117 onto the QD surfaces using a combination of photochemical ligation and mixed cap exchange strategy,

118 monitoring of the utilization of energy for photochemical light conversion and photoprotection in na

119 Solar photochemical means of splitting water (artificial photo

120 rgy used to drive the reaction, suggesting a photochemical mechanism rather than photothermal effects

121 These photochemical mechanisms generate radicals from closed-s

122 hemically active compounds and understanding photochemical mechanisms is important for the developmen

123 The photochemical mechanisms of a few reactions have been an

124 oducts are identifiable following literature photochemical mechanisms.

125 s review summarizes recent research on novel photochemical methods for the initiation and control of

126 Photodegradation, the photochemical mineralization of organic matter, has been

127 The CdS:MoFe protein biohybrids provide a photochemical model for achieving light-driven N2 reduct

128 unique opportunity to evaluate single source photochemical model predictions of both O3 and secondary

129 We used a photochemical model to estimate O3 response to large NOx

130 Photochemical models corroborate this inference, showing

131 Ozone and H2O2 will not be important photochemical OH sources under most conditions, and CH3C

132 It features a powerful photochemical opening step, a diastereoselective additio

133 radation in the optoelectronic properties to photochemical or field-assisted ion migration.

134 tions in climate change, particulate matter, photochemical oxidants, and terrestrial acidification.

135 solved organic matter to the CDOM-sensitized photochemical oxidation of Cys.

136 additional 116-186 kg hr(-1) formed from the photochemical oxidation of diesel exhaust.

137 ndary organic aerosol (SOA) derived from the photochemical oxidation of isoprene contributes a substa

138 Fast photochemical oxidation of proteins (FPOP) has become a

139 face-topology mapping of protein G'e by fast photochemical oxidation of proteins (FPOP) under neutral

140 um exchange mass spectrometry (HDX-MS), fast photochemical oxidation of proteins (FPOP), alanine shav

141 ing MS-based footprinting, specifically fast photochemical oxidation of proteins (FPOP), and lipid Na

142 ding hydrogen-deuterium exchange (HDX), fast photochemical oxidation of proteins (FPOP), and site-spe

143 ace of the beta2 subunit (photobeta2) allows photochemical oxidation of the adjacent PCET pathway res

144 s study support the hypothesis that indirect photochemical oxidation of the histidine (His) residue b

145 es, we measure SOA mass yields from isoprene photochemical oxidation of up to 15%, which are factors

146 solutions) can almost exclusively trigger a photochemical oxidation process.

147 rganic aerosol (SOA) formation from isoprene photochemical oxidation, in which radical concentrations

148 valuated by monitoring microalgal growth and photochemical parameters.

149 lysis of redox reactions-electrochemical and photochemical-particularly those involving small molecul

150 hysics of these systems and discuss the main photochemical paths.

151 indings confirm the occurrence of a volcanic photochemical pathway specific to the early reduced atmo

152 ble new experiments dedicated to finding the photochemical pathways leading to uracil photodamage.

153 00% yield in the dark but not at all through photochemical pathways.

154 n of selective n-type doping and a nonrelief photochemical patterning process, p- and n-type SWCNT tr

155 e platform for real-time characterization of photochemical performance.

156 cyclohexadiene is a fundamental prototype of photochemical pericyclic reactions.

157 with changes in the yields of fluorescence, photochemical (PhiPSII), and nonphotochemical quenching

158 Our results question the extent to which a photochemical process at ambient conditions can be contr

159 a profound influence on the kinetics of this photochemical process by controlling the transport of pl

160 This condensed-phase photochemical process may produce a few Tg/year of gaseo

161 n in-situ on ZnO nanotetrapods by means of a photochemical process without the need of binding agents

162 state intramolecular proton transfer (ESIPT) photochemical process.

163 trates that environmentally relevant aqueous photochemical processes can be monitored in situ and in

164 The similarities and differences with photochemical processes in other biological systems and

165 i.e., it is capable of sensitizing secondary photochemical processes in the cascade; and (iv) the tet

166 The implications of photochemical processes occurring at organic coated surf

167 the excitation wavelength contrary to slower photochemical processes occurring from equilibrated exci

168 as primary volcanic emissions formed by SO2 photochemical processes with variable contribution of ca

169 exported from land to water and produced by photochemical processes, and the capacity and timescale

170 ides initiates a number of photophysical and photochemical processes, which may finally cause DNA dam

171 ter, illustrating the importance of indirect photochemical processes.

172 ized for ground- and excited-state redox and photochemical processes.

173 servoirs, mainly assumed to be formed during photochemical processes.

174 e pathway and mechanism of photophysical and photochemical processes.

175 pecies that plays important roles in aquatic photochemical processes.

176 ce was artificially irradiated, suggesting a photochemical production mechanism.

177 The photochemical production of reactive species, such as tr

178 issions of primary organic aerosol (POA) and photochemical production of SOA from a diesel engine usi

179 ovide direct evidence on the key role of the photochemical production of sulphuric acid and highly ox

180 Recently, photochemical production of volatile organic compounds (

181 y and warm weather condition, which enhances photochemical production, air stagnation, and fire emiss

182 Ozonolysis of the gas phase photochemical products in the dark or under continued UV

183 oxidation time scales and that despite being photochemical products, organic acids are poor tracers f

184 inamide) aptamers and with dyes of different photochemical properties (fluorescein and texas red).

185 We also determined several photochemical properties and studied the photodynamics o

186 tunable materials with excellent optical and photochemical properties for exploitation in singlet fis

187 the main factors controlling the thermal and photochemical properties has not been performed yet, whi

188 escribe for the first time the synthesis and photochemical properties of a coumarin-caged cyclic RGD

189 ever, there is currently no knowledge of the photochemical properties of d5SICS or dNaM-properties th

190 The photochemical properties of dissolved organic matter (DO

191 e data suggest that the observed optical and photochemical properties of DOM are a result of multiple

192 Photochemical properties of Otphot rely on both LOV1 and

193 easurements to investigate photocurrents and photochemical properties of ReaChR.

194 nistic framework where the photophysical and photochemical properties of the catalyst species lead to

195 The photochemical properties of the organic exudate secreted

196 lead to marked changes in photophysical and photochemical properties, providing an opportunity to ci

197 ts in a PPG with better overall chemical and photochemical properties.

198 We have designed a nitroaromatic photochemical protecting group that absorbs visible ligh

199 on-withdrawing substituents have the highest photochemical quantum efficiencies in the presence of an

200 tive force with subsequent activation of non-photochemical quenching and downregulation of linear ele

201 he green alga Chlamydomonas reinhardtii, non-photochemical quenching becomes activated upon high ligh

202 accumulation correlated with an enhanced non-photochemical quenching capacity in high light-acclimate

203 PsbS is essential for the activation of non-photochemical quenching in C. reinhardtii, possibly by p

204 tase together with xanthophyll cycle and non-photochemical quenching in response to variations in the

205 Its non-photochemical quenching induction rate was substantially

206 Non-photochemical quenching is a self-regulatory mechanism u

207 We conclude that non-photochemical quenching is catalysed by two independent

208 Non-photochemical quenching of excess excitation energy is a

209 to excess illumination is the so-called non-photochemical quenching which, in higher plants, require

210 otoprotective excess energy dissipation (non-photochemical quenching, NPQ) in the model green algaChl

211 roach to the study of its photocycle and non-photochemical quenching.

212 Kinetic studies facilitated by photochemical radical generation reveal that Y731 change

213 e by GEM dry deposition, and indicate little photochemical re-emission.

214 to-destruction, photo-physical modification, photochemical reaction and photo-oxidation.

215 duce electrophoretic transport by a confined photochemical reaction and use it to infer the binding s

216 Our photochemical reaction can be successfully adapted into

217 by time-resolved flash spectroscopy that the photochemical reaction cycle of a functional purified AC

218 lambda = 254 nm) of our assemblies induces a photochemical reaction in the redox-inactive spacer incr

219 The quantum yield of a photochemical reaction is one of the most fundamental qu

220 A method for monitoring photochemical reaction kinetics and the dynamics of mole

221 We show that the photochemical reaction mechanisms for alpha-keto acids i

222 let light illumination of JF-NP-26 induces a photochemical reaction prompting the active-drug's relea

223 ition to the lowest energy excited state and photochemical reaction starting therein, in some cases,

224 en migration to yield pent-1-en-3-yne (4), a photochemical reaction that is typical of carbenes beari

225 the most important and most frequently used photochemical reaction.

226 y and using TDDFT calculations, the simplest photochemical reaction: the binding and release of exoge

227 Photochemical reactions are essential to a large number

228 The majority of photochemical reactions are likely to be dissociative, b

229 ests persistence throughout Earth history of photochemical reactions characteristic of the present-da

230 Not only are these photochemical reactions different from the known thermal

231 Photochemical reactions have become an important tool fo

232 hese topics in relation to ultrafast organic photochemical reactions in homogeneous liquids.

233 Ultrafast photochemical reactions in liquids occur on similar or s

234 e investigated SOA particle formation due to photochemical reactions occurring at an air-water interf

235 t states constitute a crucial gateway in the photochemical reactions of organic molecules by serving

236 e exploited as an increased driving force in photochemical reactions on surfaces.

237 This type of photochemical reactions opens the possibility to control

238 dures/platforms to expedite the discovery of photochemical reactions remains challenging.

239 into the ice-free Arctic Ocean and to cause photochemical reactions that result in bleaching and min

240 The photochemical reactions that take place in RNA and affec

241 These results shed light on the photochemical reactions that take place in RNA and sugge

242 seven-transmembrane helix design and similar photochemical reactions to carry out distinctly differen

243 This review will focus on the use of photochemical reactions to create dynamic hydrogel envir

244 other rationale, the inability to influence photochemical reactions with temperature, solvent, addit

245 cent examples of plasmon-driven hot electron photochemical reactions within the context of both cases

246 situ exchange of solutions allows successive photochemical reactions without moving the substrate and

247 brated excited states that undergo different photochemical reactions, including proton transfer or hy

248 To explain the complex photochemical reactions, we propose a symmetrical two-cy

249 d by both exports of plumes upwind and local photochemical reactions.

250 potentially unique locations for chemical or photochemical reactions.

251 rol, are one of the unique abilities of such photochemical reactions.

252 -efficient and sustainable energy source for photochemical reactions.

253 rting catalyst to carry out energy-demanding photochemical reactions.

254 sic principle, Kasha's rule, when applied to photochemical reactions.

255 single-walled carbon nanotube hosts through photochemical reactions.

256 oparticles (Ag, Au and Cu) can induce direct photochemical reactions.

257 Photochemical reactivity associated with metal-hydrogen

258 Anthrols 2-7 were synthesized and their photochemical reactivity investigated by irradiations in

259 evel crossing resonance demonstrate that the photochemical reactivity of a specific carbon atom is mo

260 tigation of the photophysical parameters and photochemical reactivity of meso-methyl BODIPY photoremo

261 visible light compared to the dark reaction; photochemical reactivity was correlated to the abundance

262 tics contributed to the largest fractions of photochemical reactivity, suggesting the strong influenc

263 n due to the orbital approaches required for photochemical reactivity.

264 luated in terms of molecular composition and photochemical reactivity.

265 carbene that exhibits differing thermal and photochemical reactivity.

266 performed by passing the fresh SOA through a photochemical reactor where it reacted with hydroxyl rad

267 describes both the generation of ROS and the photochemical redox transformations of iron in the prese

268 eport a broad variety of reagents useful for photochemical reduction of colloidal CdSe quantum dots,

269 p = 2,3-bis(2-pyridyl)pyrazine) catalyze the photochemical reduction of protons to H2.

270 we demonstrate that the relationship between photochemical reflectance index, derived from high spect

271 long the nanoprism perimeter and serves as a photochemical relay to direct the anisotropic growth of

272 While photochemical release of primary and secondary amines pr

273 rstanding of microenvironment alterations on photochemical response of light activated membrane prote

274 Herein we demonstrate the thermal and photochemical rotational behavior of a series of third-g

275 gion, and outstanding chemical, thermal, and photochemical stabilities.

276 tages, such as low detection limit, enhanced photochemical stability, and sensing ability within a bi

277 g in organic crystals can strongly influence photochemical stability, efforts to tune photostability

278 carboxylate at pH 5.8, and (3) by a dual pH-photochemical stimulus involving photoisomerization of t

279 e describe a simple, metal- and oxidant-free photochemical strategy for the direct trifluoromethylati

280 ne materials, organic light-emitting diodes, photochemical switches, redox materials, and molecular r

281 Although this photochemical system has been studied extensively, the m

282 rstanding the response of this dynamical and photochemical system to increased forcing of the climate

283 od was based on a combination of in-solution photochemical tagging of a C horizontal lineC in FAs and

284 Preliminary thermal, chemical, and photochemical tests showed that the poly-alpha-truxillat

285 In principle, this tandem photochemical-thermochemical process, fitted with a phot

286 In this study, the photochemical transformation of bacitracin components (i

287 ace water by determining direct and indirect photochemical transformation rates of imidazolium, pyrid

288 This review aims at highlighting photochemical transformations as a tool for rapidly acce

289 Synthetic designs based on photochemical transformations have the potential to affo

290 ferent wavelengths, which induce selectively photochemical transformations of different species (reac

291 was shown that direction of the diazoketone photochemical transformations without elimination of nit

292 states ((3)CDOM*), which are also important photochemical transients in environmental systems.

293 markably, four unique sets of conditions-two photochemical, two purely chemical-generated the same am

294 Such a photochemical uncatalyzed pathway represents an original

295 Their improved photochemical water oxidation performance was clearly li

296 containing materials, for electrochemical or photochemical water splitting are presented, accompanied

297 verted to heat, only 35% are directed toward photochemical water splitting, and the rest are reemitte

298 oroplasts are generally thought of as purely photochemical; we suggest that one should also think of

299 er across assemblies of antenna and thus the photochemical yield at reaction centers in the functiona

300 Photochemical Z/E-isomerization leads to a significant a